| 摘要 |
A method and an apparatus for utilizing a periodic disconnection of a cathodic protection circuit, the voltage fluctuations caused on a cathodically protected structure by periodic disconnection of the protection circuit being detected in an apparatus and used for remote-controlled disconnection of a decoupling capacitor. Detection of periodically occurring negative-going voltage edges on a cathodically protected structure. The voltage supply of an apparatus through a capacitor or an electric circuit by means of a current transformer and a voltage outlet via a breaker.
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